gitsub

#!/bin/shmkdir subcd subecho hello > filegit initgit add .git commit -m "Initial"cd ..mkdir supercd superecho hello2 > afileecho hello3 > testgit initgit submodule add $PWD/../subgit add .git commit -m "Initial"echo goodbye > sub/fileecho goodbye2 > testgit update-index --assume-unchanged subgit diff